Buffer-coupling for railroad-vehicles.



E. ULLMANN. BUFFER COUPLING FOR RAILROAD VEHICLES. APPLIGATIOH FILED 001 .30, 1912.

1,091,547, Patented Mar.31,1914.

To all whom itmag concern:

UNITED STATES PATENT OFF C 'EMIL ULLMANN, or BERLIN, GERMANY, AssIG on TOITHIE FIRM or ORENSTEIN '80 KOPPEL-ARTHUR KOPPEL AKTIENGESELLSCHAFT, OF BERLIN, GERMANY.

BUFFER-COUPLING FOR RAILROAD-VEHICLES.

Be it known that I, EMIL ULLMANN, a subject of the German Emperor, residing'at Landgrafstrasse, Berlin, Germany, have invented certain new and useful Improvements in Bufi'er-Couplings for Railroad-Vehicles, of which the following is a specification.

' The present invention relates to improvements in so-calledbuffer-couplings, namely such coupling devices which at the same time serve as bufi'ers, as they are frequently used,

- covered in the claims. 20.

in particular on thecars running on narrow gage lines.

* The present invention, consists in the peculiar construction pf the buffer-heads and of the members effecting the coupling, besides the peculiar combination of these various parts, as shall be hereinafter described and In the accompanying drawings the present form. In these drawings Figure 1 is a longitud nal, vertical-sectiont-hrough the buffer-cow secured to the respective end of the car. To

this channel iron is bolted a yoke-shaped part 2, which serves as a guide for the buffer 3. The inner end of this b'ufier is reduced at 4: and passes through the bore of a cap 5, which is guided within the yoke-shaped part 2 to be capable of longitudinal displacement therein during the outward pull of the buffer 3. Normally the cap 5 restsagainst the $111 1. This bore in the cap 5 formsjthe second guide for the buffer 3, which is held in normal position by means of a spring 6. The play of the butter toward outside is l mited by means .of a nut 7 screwed on the end 4 of the bufi'er.-

The bufier 3 terminates at its front end in 10 extending across whole-width. In the Specification of Letters Patent.

. Application filed October 30, 1912. Serial No. 728,664.

vention is exemplified in a constructional which consists of a Patented 31211331, 1914.

top and bottom wall of this cap are bores 11, ll concentrical to each other. Coaxially to these bores'll are two bores 12, 12 in the branches of the forked member 8. All bores are essentially .of the same diameter. Into these bores the coupling which consists of a shank of auniform diamof a shoulder 14;

tion. Over the pin 13 is fitted a washer 16 which lies in the bifurcated mouth 10 of the buffer-head on the lower branch of the fork 8. The lower end of the pin 13 has two longitudinal grooves 17, 17 which are closed at the extreme end by means of a screw cap 18 having substantially the the pin. The bore of the washer 16 corresponds in its form with the form of the section of the lower end of thepin.

Each car is fitted at each end with a cou pling and buffer device of the hereinbefore described character. On the coupling pm 13 ofeach buffer-head hangs a coupling member 19 having the form of a chain-link.

For coupling two cars the latter are moved with their coupling heads opposite to each other as shown in Fig. 4:. The pin 13 of the one car is then lifted, see Fig. 4 on the right hand; while being lifted it will rise in the bore of the washer and raise the latter only after the noses in the bore of the washer, corresponding to the grooves 17 in the pin bear against'the cap 18 at the lower end of the pin. 'When the pin is then lifted still farther, the'respective coupling member 19 will likewise be raisedby the washer. Now

same diameter asthe coupling member of the othercar can be introduced; if necessary from the side, into the mouth of the bufi'er-head and beneath the lifted cou'plin pin. When the latter is then again lowre together. The arrangement of the cap 5 enables the rear end of the buffer shank toenter into this cap, thus abufier shank hole in the truck frame being dispensed with The raising of the washer by the lifting coupling pin may of course also be ob tained in any other manner than the one described. The hereinbeforedescribed constructional form is, however, preferable, as it allows of employing a uniform diameter of the coupling pin and therefore a secure support of thesame in bores of uniform diam eters. The -improved buffer-coupling acthe two cars will be coupled cording to the present invention may furthermore also be employed on any other kind of vehicles.

What I claim is I 1. Combined buffer and coupling device for railroad-vehicles fitted atthe frame of the vehicle, the front end of the buffer having the form of a fork with horizontally extendingbranches, said'branches carrying a cap having a horizontal mouth on its front side, the rims of said cap and the two branches of the said fork having bores in the same rrtical axis, a coupling pin in said bores, and means securing said pin. against.

removal from said bufier when in unlocking position.

Combined buffer and coupling device "LUI railroad-vehicles fitted at the frame of the vehicle, the front-end of the buffer having the form of a fork with horizontally extending branches, said branches carrying a cap having a horizontal mouth on its front having bores in the same vertical axis, 'a conpling'pin in said bores, a nd meanssecuring said pin against removal from said buffer when inunlocking position.

In testimony whereof-I afiix my signature in presence of two witnesses.

, EMIL ULLMANN.

Witnesses: I

HENRY Hasrnn, lVoLoEMgm HA-UPT. 

